Objective To investigate apoptosis of three kinds of carcinoma cells (HepG2,lung cancer A549 and human lung carcinoma cells SPC-A1) induced by TCDD(2,3,7,8-tetrachlorodibenzo-p-dioxin).

• 目的研究四氯二苯并二叶恶英(TCDD)诱导HepG2肝癌细胞、肺癌A549、SPC鄄A1细胞的细胞凋亡。